The resistance of platinum wire at 0°C is 2 and 6.8 at 80°C. The temperature coefficient…
Physics · NEET · NTA Exams — Current Electricity
The resistance of platinum wire at 0°C is 2Ω and 6.8Ω at 80°C. The temperature coefficient of resistance of the wire is:
- \(3 \times 10^{-1} \cdot \mathrm{C}^{-1}\)
- \(3 \times 10^{-4} \cdot c^{-1}\)
- \(3 \times 10^{-3} C^{-1}\)
- \(3 \times 10^{-2} \cdot C^{-1}\)
Answer
(C) 3 10^ -3 C^ -1
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